Error amplification to promote motor learning and motivation in therapy robotics.
Identifieur interne : 000B40 ( PubMed/Checkpoint ); précédent : 000B39; suivant : 000B41Error amplification to promote motor learning and motivation in therapy robotics.
Auteurs : Navid Shirzad [Canada] ; H F Machiel Van Der LoosSource :
- Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference [ 1557-170X ] ; 2012.
English descriptors
- KwdEn :
- Adaptation, Physiological (physiology), Adult, Attention, Feedback, Female, Hand (physiology), Hand (physiopathology), Humans, Learning (physiology), Male, Motivation, Motor Activity (physiology), Psychomotor Performance (physiology), Rehabilitation, Research Design, Robotics, Surveys and Questionnaires, Time Factors, Young Adult.
- MESH :
- physiology : Adaptation, Physiological, Hand, Learning, Motor Activity, Psychomotor Performance.
- physiopathology : Hand.
- Adult, Attention, Feedback, Female, Humans, Male, Motivation, Rehabilitation, Research Design, Robotics, Surveys and Questionnaires, Time Factors, Young Adult.
Abstract
To study the effects of different feedback error amplification methods on a subject's upper-limb motor learning and affect during a point-to-point reaching exercise, we developed a real-time controller for a robotic manipulandum. The reaching environment was visually distorted by implementing a thirty degrees rotation between the coordinate systems of the robot's end-effector and the visual display. Feedback error amplification was provided to subjects as they trained to learn reaching within the visually rotated environment. Error amplification was provided either visually or through both haptic and visual means, each method with two different amplification gains. Subjects' performance (i.e., trajectory error) and self-reports to a questionnaire were used to study the speed and amount of adaptation promoted by each error amplification method and subjects' emotional changes. We found that providing haptic and visual feedback promotes faster adaptation to the distortion and increases subjects' satisfaction with the task, leading to a higher level of attentiveness during the exercise. This finding can be used to design a novel exercise regimen, where alternating between error amplification methods is used to both increase a subject's motor learning and maintain a minimum level of motivational engagement in the exercise. In future experiments, we will test whether such exercise methods will lead to a faster learning time and greater motivation to pursue a therapy exercise regimen.
DOI: 10.1109/EMBC.2012.6346821
PubMed: 23366782
Affiliations:
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pubmed:23366782Le document en format XML
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The reaching environment was visually distorted by implementing a thirty degrees rotation between the coordinate systems of the robot's end-effector and the visual display. Feedback error amplification was provided to subjects as they trained to learn reaching within the visually rotated environment. Error amplification was provided either visually or through both haptic and visual means, each method with two different amplification gains. Subjects' performance (i.e., trajectory error) and self-reports to a questionnaire were used to study the speed and amount of adaptation promoted by each error amplification method and subjects' emotional changes. We found that providing haptic and visual feedback promotes faster adaptation to the distortion and increases subjects' satisfaction with the task, leading to a higher level of attentiveness during the exercise. This finding can be used to design a novel exercise regimen, where alternating between error amplification methods is used to both increase a subject's motor learning and maintain a minimum level of motivational engagement in the exercise. In future experiments, we will test whether such exercise methods will lead to a faster learning time and greater motivation to pursue a therapy exercise regimen.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">23366782</PMID><DateCreated><Year>2013</Year><Month>01</Month><Day>31</Day></DateCreated><DateCompleted><Year>2013</Year><Month>07</Month><Day>23</Day></DateCompleted><DateRevised><Year>2015</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1557-170X</ISSN><JournalIssue CitedMedium="Internet"><Volume>2012</Volume><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>Conference proceedings : ... 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Feedback error amplification was provided to subjects as they trained to learn reaching within the visually rotated environment. Error amplification was provided either visually or through both haptic and visual means, each method with two different amplification gains. Subjects' performance (i.e., trajectory error) and self-reports to a questionnaire were used to study the speed and amount of adaptation promoted by each error amplification method and subjects' emotional changes. We found that providing haptic and visual feedback promotes faster adaptation to the distortion and increases subjects' satisfaction with the task, leading to a higher level of attentiveness during the exercise. This finding can be used to design a novel exercise regimen, where alternating between error amplification methods is used to both increase a subject's motor learning and maintain a minimum level of motivational engagement in the exercise. 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